The US is the number one consumer in the world,says Erik Assadourian, the study's project director.
VOA: standard.2010.01.23
Assadourian says one percent of the global economic product is spent on ads and commercials.
VOA: standard.2010.01.23
Assadourian insists that money doesn't buy happiness.
VOA: standard.2010.01.23
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